@mixin border-1px($color){
	position: relative;
	&:after{
		display: block;
		position: absolute;
		left: 0;
		bottom: 0;
		width: 100%;
		border-top: 1px solid $color;
		content: '';
	}
}

@mixin border-none(){
	&:after{
		display: none;
	}
}

